F25J 3/04296
Claude expansion, i.e. expanded into the main or high pressure column
Official title: {Claude expansion, i.e. expanded into the main or high pressure column}
F25J3/04296 (Claude expansion, i.e. expanded into the main or high pressure column) appears on 319 US grants and 235 published applications in this corpus.
Search patents in F25J- Granted patents
- 319
- Published applications
- 235
- Assignees
- 58
- Inventors
- 342
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 8 | 0 |
| 1994 | 13 | 0 |
| 1995 | 22 | 0 |
| 1996 | 16 | 0 |
| 1997 | 17 | 0 |
| 1998 | 19 | 0 |
| 1999 | 13 | 0 |
| 2000 | 4 | 0 |
| 2001 | 15 | 2 |
| 2002 | 10 | 6 |
| 2003 | 6 | 3 |
| 2004 | 3 | 7 |
| 2005 | 4 | 3 |
| 2006 | 3 | 5 |
| 2007 | 3 | 9 |
| 2008 | 3 | 7 |
| 2009 | 4 | 8 |
| 2010 | 0 | 8 |
| 2011 | 2 | 12 |
| 2012 | 1 | 10 |
| 2013 | 3 | 10 |
| 2014 | 9 | 10 |
| 2015 | 6 | 7 |
| 2016 | 4 | 19 |
| 2017 | 6 | 20 |
| 2018 | 15 | 15 |
| 2019 | 19 | 13 |
| 2020 | 7 | 5 |
| 2021 | 9 | 9 |
| 2022 | 1 | 12 |
| 2023 | 7 | 16 |
| 2024 | 7 | 12 |
| 2025 | 10 | 3 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for configuring a control system for a process plant29 Sep 2026US 12,747,912 B2Linde Aktiengesellschaft
- System for storing and producing energy to stabilize the power network26 May 2026US 12,638,234 B2Saipem S.P.A.
- Oxygen liquefier design phasing26 May 2026US 12,638,235 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Power generation process utilizing fuel, liquid air and/or oxygen with zero CO2 emissions28 Apr 2026US 12,613,064 B2Saipem S.P.A.
- Apparatus for precooling hydrogen for liquefaction using external liquid nitrogen and high pressure gaseous nitrogen24 Mar 2026US 12,584,686 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Air separation method and air separation device30 Jul 2026US 2026/0218981 A1Taiyo Nippon Sanso Corporation
- Method for cryogenic separation of air, and air separation plant16 Jul 2026US 2026/0202125 A1Linde Aktiengesellschaft
- Apparatus and method for maintaining or increasing liquid production of an air separation unit9 Jul 2026US 2026/0194295 A1Air Liquide Large Industries U.S. LP
- Method for increasing production flexibility of an air separation unit28 May 2026US 2026/0146790 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Liquid nitrogen generator and process30 Oct 2025US 2025/0334332 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Hydrocarbon combustion power generation system with CO2 sequestration337US 6,389,814 B1Clean Energy Systems, Inc. · 2002
- Power plant with carbon dioxide capture and zero pollutant emissions254US 5,724,805 AUniversity of Massachusetts Lowell · 1998
- Hydrocarbon combustion power generation system with CO2 sequestration216US 7,043,920 B2Clean Energy Systems, Inc. · 2006
- Hydrocarbon combustion power generation system with CO2 sequestration209US 6,170,264 B2Clean Energy Systems, Inc. · 2001
- Hydrocarbon combustion power generation system with CO2 sequestration163US 6,598,398 B2Clean Energy Systems, Inc. · 2003